Mercedes W164 OM642 Fuel Filter Clamp Mount Bracket Support A6420920040

The Mercedes W164 OM642 Fuel Filter Bracket Clamp is a precise component from the Brackets, Mounts, and Mounting Parts group, designed for diesel engine fuel systems. It ensures stable, secure seating of the fuel filter in the engine bay, contributing to the proper operation of the Diesel power unit and reducing the risk of unwanted vibrations and stresses.

Specifications and technical data

• SKU: A6420920040
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6420920040
• Substitutable numbers: A6420920040, A 642 092 00 40
• Fuel type: Diesel
• Category: Mounts, Brackets & Hardware

Purpose and Function in the Fuel System

The fuel filter bracket clamp in models with the OM642 engine is responsible for rigid, repeatable positioning of the filter housing relative to the body and fuel system. A correctly selected bracket:

• maintains the fuel filter in a fixed position,
• limits the transfer of vibrations from the Diesel power unit to the filter housing,
• reduces stress on fuel lines and connection nipples,
• supports the trouble-free operation of the fuel system in the long term.

Thanks to its appropriately designed mounting geometry, the element integrates with the factory mounting points in the body, facilitating servicing and periodic fuel filter replacements.

Benefits of Using an Original Mercedes Bracket

Choosing a fuel filter mounting clamp dedicated to the OM642 unit allows for the preservation of the factory routing of lines and correct distances from adjacent components in the engine bay. Key advantages include:

• Precise Fit for Mercedes W164 Construction – no need for modifications or additional adapters.
• Compatibility with the Diesel engine fuel system – the bracket operates under conditions intended by the vehicle manufacturer.
• Stabilization of the fuel filter during engine operation and while driving over uneven surfaces.
• Reduced risk of micro-cracks and leaks resulting from excessive vibrations or improper support.

An element configured in this way promotes even load distribution on the filter structure, which is particularly important in modern high-pressure fuel systems.

Product Characteristics and Service Application

The fuel filter bracket clamp offered here comes from the Mercedes line and belongs to the Brackets, Mounts, and Mounting Parts group. As a used element, it is a practical service solution for users who want to restore correct filter mounting after damage, corrosion, or previous unprofessional modifications.

The product is particularly useful in situations where:

• the original bracket has become deformed or cracked,
• the fuel filter is not held in a stable position,
• there are disturbing vibrations or noises in the filter mounting area,
• it is necessary to restore the factory configuration of the fuel system in the Diesel engine.

Using an original bracket helps avoid makeshift mounting solutions that can negatively affect the durability of fuel system components.

Assistance with Selection and Related Mounting Parts

When selecting a fuel filter mounting clamp, it is advisable to pay attention to compatibility with the specific engine version and fuel system configuration. Manufacturer markings, OEM part numbers, and interchangeable numbers can be helpful in identifying the correct bracket in service catalogs and parts selection systems.

If you are planning a comprehensive repair or upgrade of the fuel filter mounting area in your Mercedes and need other parts from the same group, such as additional clamps, brackets, or mounting elements, check the available parts in the Mercedes Brackets, Mounts, and Mounting Parts category.

Preparing Your Car for Winter and the Fuel System

In vehicles with diesel engines, the condition of the fuel filter mounting is also important during winter, when the fuel system is particularly stressed. Stable filter seating helps maintain connection integrity and reduces the risk of starting problems in low temperatures.

If you are preparing your car for the winter season and want to check which used components are worth inspecting or replacing (including fuel system elements), the following guide will be helpful: Winter Essentials: Which Used Car Parts Are Worth Checking and Replacing Before the Frost?.

Summary

The Mercedes W164 OM642 Fuel Filter Bracket Clamp is a dedicated mounting element for Diesel fuel systems, allowing for the restoration of correct, factory fuel filter mounting. Using an original bracket from the Brackets, Mounts, and Mounting Parts group supports stable fuel system operation, facilitates servicing, and helps maintain a high level of engine performance in daily use.